BTW are the internal contracts stored in the blockchain ?
– StanleyJan 5 '19 at 17:40

Also, i made a some researchs on it, and i saw in some papers it says that Etherscan, for keeping the the website avaliable to all visitors ussualy restrict the amount of data that can be crawled. Is that true with the method that you introduce here ?
– StanleyJan 5 '19 at 17:57

1

The internal transactions are the result of execution of code. The limits of etherscan are 5 requests per second.
– JaimeJan 5 '19 at 20:36